TF (24 VRAC)
FLM (5 VDC)
SM (5 VDC)
SS (5 VDC)
SE (5 VDC)
TS (24 VRAC)
ST (5 VDC)
TA2 (24 VRAC)
TA1 (24 VRAC)
EXP (24 VRAC)
OP (24 VAC)
M (17 VDC)
TPA (5 VDC)
Cod. 6301407D
BIANCO - WHITE
97
ES
PT
ENG
2.12
BOILER ELECTRICAL DIAGRAM
2.12.1
Murelle EV 25 - 30 OF (fig. 13)
KEY
F1-2
Fuse (4 AT)
TRA
Ignition transformer
Pl
System pump
EAR
Ignition/detection electrode
EV1-2 Gas valve coil
TS
Safety thermostat
TF
Fumes thermostat
VD
Deviator valve
M
Modulator
SM
Heating sensor
SS
D.H.W sensor
TPA
Pressure transducer
FLM
D.H.W. flowmeter
TA 1
Zone 1 environment thermostat
TA 2
Zone 2 environment thermostat
ST
Solar heat sensor
CR
Remote control CR 73 (optional)
SE
External sensor (optional)
OP
Programming clock (optional)
EXP
Expansion card
VZ
Zone valve
AUX
Auxiliary connection
NOTE: Connect TA1 to the clamps 7-8 after
having removed the bridge.
CONNECTOR SPARE PART CODES:
CN2
code 6316287
CN3
code 6299998
CN6
code 6316202
CN9
code 6316274
CN12
code 6299991
CN13/15
code 6316273
Fig. 13
Summary of Contents for MURELLE EV 20 BFT
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